Julian and Brittany mailed 275 wedding invitations to family and friends and predicted that they would all attend. Only 265 out of 275 people committed to attending the wedding. Calculate the percent error in their prediction.

Answer 1

The predicted number of people attending the wedding is 275.
The actual number of people attending the wedding is 265.
The difference between the predicted and actual number of people attending the wedding is 275 - 265 = <<275-265=10>>10.
The percent error is (10/275) * 100% = 3.6%. Answer: \boxed{3.6\%}.

Answer 2

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